Get the perfect balance of speed and reliability for high definition video and faster shot-to-shot performance with SanDisk Extreme HD Video SDHC cards.

Delivering Class 10 video performance with up to 30MB/sec read/write speeds1, you'll be ready to capture HD video on the latest digital point & shoot cameras and DSLRs that have high-definition video recording capabilities.

Go with the latest in SanDisk memory optimized for video, and enjoy the ultimate in performance and high-def clarity.

One card for all of your high-def video and high performance photography needs.

Experience faster shot-to-shot performance for your advanced camera.

Capture HD video on Class 10 camcorders and more video-enabled DSLRs.

Store up to 4 hours of H.264 high-def video at 9Mbps on 16GB cards.

Download photos and video to PC fast and easy with read speeds up to 30MB/sec.

customer Reviews

5As fast as the Class 10, & twice the capacity!

BEFORE I START, you should note that this website seems to have the habit of changing the product, but keeping the same thread of comments. Quite why this is done I don't know. Changing the price is one thing, but when the actual product(s) change, it makes all the past comments in the thread invalid. As a result, we can already see where people here have been mislead into buying based on others comments, or based on an out of date item description, & then found they didn't receive what they were expecting. Quite un-acceptable in my book...... Anyway, on to my review ;

This review is for the SanDisk Extreme "Video" 8GB 20MB/s Class 6 SDHC memory card. Nothing else was included, except a tiny plastic case which protects the card when it isn't being used.

I bought it at the sale price of just GBP15.99 - an excellent deal at the time, compared to prices found elsewhere. I also bought a similar SanDisk Extreme SDHC card for the same sale price, rated at a faster 30MB/s Class 10, but with half the capacity at 4GB.

These SanDisk cards regularly receive good reviews for being rugged, reliable, & faster performing (though more expensive) than other brands - so I won't go into that other than to say that I agree. However, I wanted to know how the 2 cards I had just bought compared, & whether the Class 10 was worth the extra money (or smaller capacity, depending on how you look at it!)

I used some free speed-test software called CrystalDiskMark, & my newly purchased card reader - the fastest I could find. It is the SanDisk ImageMate All-in-One external USB, also from this website, & claims a max read/write ability of (up to) 34MB/s.

My tests on the 20MB/s card produced results in line with what I was expecting, with the main, "sequential test" giving a read speed of 19.0MB/s & a write speed of 17.9MB/s. However, when I tested the 30MB/s card I got very similar results - if anything, very slightly slower! (I also tested some other cards, & fortunately found them all to be slower than these 2.)

So from this test, I can conclude that either there is no speed difference between the 20MB/s & the 30MB/s cards, or my card reader had max'ed out at 19.0MB/s.

I then speed-tested each card in turn in my camera. I set it up in manual mode, so that all variables remained constant, & then held the shutter-release down so that it took photos at 10fps for 1 minute. For the first few seconds, my camera was able to maintain the full 10fps, as it filled up its internal memory buffer. After that & for the remainder of the minute, the camera had to write directly to the SanDisk memory cards as fast as it could. It managed this in small spurts, as it fired off a few shots, wrote them to the card, & then fired off more shots again, over & over. I repeated this for each of the 2 cards, & compared how many photos each card had managed to capture in the 1 minute period.

My test results showed that there was little difference again between the 20MB/s & the (so-called) 30MB/s card. The 30MB/s card managed to capture maybe 4% more, but if the speed rating is to be believed, I would have hoped for 50% more photos captured. Again, it could instead be down to the limitations of my camera's recording speed & not the card's, but combined with my earlier card reader test results, I doubt it.

Incidentally, both cards are more than capable of HD video.

SO IN CONCLUSION, I have been unable to achieve any real-world speed difference worth speaking of, between this 20MB/s Class 6 card, & the more expensive (half the capacity) 30MB/s Class 10 card.

5Brilliant card

The reviews on here are quite old and conflicting so just to set the current record straight, the card I received yesterday was as in the picture (class 10, max 30mb/s, 8GB).My DSLR doesn't take video and I don't shoot in RAW so I bought this card because it was amazing quality for a stupid price. I had hoped it would increase the burst speed, but in my tests, it didn't perform any better than a class 4 of the same range. Obviously, I have reached the maximum ability of my camera (3fps) so if this is something you are thinking about, be aware that the card isn't the only limiter!

5Brilliant card

Very fast and reliable, with a bargain price.If you are spending £100+ on a camera then spend decent money on a card, one like this gives very good performance whilst continuously shooting as it is extremely fast.

5Formating

Due to formating you will never see the full stated space on any device.this explains why the above reviewer thinks he lost 1.2GB. This space is physically there but is taken up by the formating that is needed to use the Memory card. The Larger the card the more space that is "lost" to formatting.

4Excellent Card but....

This is an excellent, efficient, super quick card as i have one of this already just bought another for a friend but play.com delivered this without the reader! ! ! I bought this card with the reader and it did not came with it. Dissapointed with play on this!

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